Abstract
Chromosome numbers, ploidy and pollen fertility of the six species of Scrophularia L. were assessed from cold desert regions of Lahaul-Spiti: Scrophularia calycina Benth. (2n=26), S. decomposita Royle ex Benth. (2n=24), S. edgeworthii Benth. (2n=48), S. himalensis Royle ex Benth. (2n=24), S. koelzii Penn. (2n=20), S. polyantha Royle ex Benth (2n=24+2-3B). Meiotic chromosome count in S. decomposita was varied report while in S. koelzii Penn. it was recorded for the first time. Except S. edgeworthii (4x) rest all the species were diploid (2x).
